[Hemodynamic and oxygen transport effects of dobutamine in critically ill patients].

The study evaluates the cardiocirculatory and oxymetric effects of dobutamine infusion in doses between 5 and 15 g/kg/min for a period of 48 hours in 18 critical patients of whom 9 with a low cardiac index (mean 2.1) and 9 with a normal or increased cardiac index (mean 3.3).